Computer Networking
Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?

None of these
Unique to that subnet only
For different subnets
For no subnets
For no more than two subnets

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Computer Networking
Demodulation is the process of

dividing the high-speed signals into frequency bands
None of these
converting digital signals to analog signals
combining many low speed channels into one high speed channel
converting analog signals to digital signals

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Computer Networking
What is route poisoning?

It sends back the protocol received from a router as a poison pill, which stops the regular updates.
It is information received from a router that can't be sent back to the originating router.
It prevents regular update messages from reinstating a route that has just come up.
It describes when a router sets the metric for a downed link to infinity.

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Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

NVRAM is corrupted.
The configuration register setting is incorrect.
You didn
The newly upgraded IOS is not compatible with the hardware of the router.

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Computer Networking
Which of the following access lists will allow only HTTP traffic into network 196.15.7.0?

access-list 100 permit 196.15.7.0 0.0.0.255 eq www
access-list 110 permit ip any 196.15.7.0 0.0.0.255
access-list 10 deny tcp any 196.15.7.0 eq www
access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq www

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